Bield:Farm
State agricultural overview

Oregon crop calendar.

Zone 8aRange 4b to 9b185-day seasonLast frost April 20First frost October 20

13 primary crops with planting windows for Oregon. Calendar timing is anchored to 8a dominant hardiness zone and a 185-day growing season — verify against OSU Extension Service for variety- and county-specific guidance.

Row Crop · Oregon

Vegetables · Oregon

  • Cucumbers
    primary
    Spring: May 4 – June 8
  • Peppers
    primary
    Spring: May 11 – June 1
  • Pumpkins
    primary
    Spring: May 11 – June 8
  • Sweet Corn
    primary
    Spring: April 20 – May 25
  • Tomatoes
    primary
    Spring: May 4 – May 25
  • Potatoes
    secondary
    Spring: April 6 – April 27
    Fall: August 6 – August 21

Forages · Oregon

  • Clover
    primary
    Spring: March 30 – April 27
    Fall: August 21 – September 5
  • Alfalfa
    secondary
    Spring: April 13 – May 11
    Fall: August 21 – September 5

Cover Crops · Oregon

  • Brassicas
    primary
    Fall: August 6 – August 21
  • Winter Rye
    primary
    Fall: October 13 – November 3
  • Buckwheat
    secondary
    Spring: June 15 – July 13
  • Cereal Oats
    secondary
    Spring: April 13 – May 11
    Fall: August 21 – September 5

Frost-date reference — Oregon

Last frost (spring)
April 20
First frost (fall)
October 20
Growing season
185 days
Hardiness zone
8a

Frost dates are NOAA / NCDC climate normals — county-level variation can shift these by 2–4 weeks. The Oregon extension service publishes county-specific frost data: OSU Extension Service.

Oregon soil-temp alerts.

Bield: Farm ties weather and soil-temperature stations in your county to crop planting thresholds — get notified the day soil temp clears the threshold for your target.

Download Bield: Farm
← All state crop calendars